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Kinesiology 294 > Shoulder and Arm muscles > Flashcards

Shoulder and Arm muscles Flashcards

1
Q

Pectoralis Major Origin

A

Medial clavicle, sternum and ribs 2-6

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2
Q

Pectoralis Major Insertion

A

Lateral lip of bicipital groove

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3
Q

Pectoralis Major Action

A

Entire muscles adducts, horizontally adducts and medial rotates humerus

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4
Q

Pectoralis Major Nerve

A

Medial and lateral pectoral nerves

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5
Q

Pectoralis Minor Origin

A

Ribs 3-5 (anterior)

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6
Q

Pectoralis Minor Insertion

A

Coracoid process of scapula

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7
Q

Pectoralis Minor Action

A

Protraction of scapula

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8
Q

Pectoralis Minor Nerve

A

Medial pectoral nerve

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9
Q

Subclavius origin

A

1st rib

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10
Q

Subclavius insertion

A

Clavicle

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11
Q

Subclavius action

A

Stabilize the sternoclavicular joint (SC)

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12
Q

Subclavius nerve

A

Nerve to subclavius

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13
Q

Upper Trapezius origin

A

Occipital bone

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14
Q

Rhomboid Major Origin

A

Spine T2-T5

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15
Q

Rhomboid Major insertion

A

Vertebral Border of scapula

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16
Q

Rhomboid Major Action

A

Elevation, retraction and downward rotation of the scapula

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17
Q

Rhomboid Minor Origin

A

Spines C7-T1

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18
Q

Rhomboid Minor Insertion

A

Vertebral border of scapula

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19
Q

Rhomboid Major Nerve

A

Dorsal scapular nerve

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20
Q

Rhomboid Minor nerve

A

Dorsal Scapular nerve

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21
Q

Rhomboid Minor Action

A

Elevation, retraction and downward rotation of the scapula

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22
Q

Levator Scapula Origin

A

Transverse process of C1-C4

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23
Q

Levator Scapula Insertion

A

Superior angle of scapula

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24
Q

Levator Scapula Action

A

Elevate and retraction of scapula

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25
Q

Levator Scapula Nerve

A

Dorsal scapular nerve

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26
Q

Latissimus Dorsi origin

A

Spinous processes of T6-L5, iliac crest and ribs 10-12

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27
Q

Latissimus Dorsi Insertion

A

Medial/Inferior lip of bicipital groove

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28
Q

Latissimus Dorsi Action

A

Extension, adduction and medial rotation of the humerus

Swimmers muscle

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29
Q

Latissimus Dorsi Nerve

A

Thoracodorsal nerve

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30
Q

Serratus Anterior origin

A

Upper ribs- ribs 1-9

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31
Q

Serratus Anterior insertion

A

Vertebral border of scapula

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32
Q

Serratus Anterior Action

A

Abduction/ protraction of the scapula

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33
Q

Serratus Anterior nerve

A

Long thoracic nerve

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34
Q

Scapular protraction muscles

A

Serratus Anterior, pectoralis Minor

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35
Q

Scapular retraction muscles

A

Rhomboids, Middle Trapezius

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36
Q

Scapular elevation muscles

A

Upper Trapezius, Levator Scapula, Rhomboids

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37
Q

Scapular depression

A

Lower Trapezius, Serratus Anterior

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38
Q

Upward (lateral) rotation

A

Trapezius, Serratus Anterior

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39
Q

Downward (Medial) rotation

A

Lavator Scapula, Rhomboids

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40
Q

Deltoid anterior origin

A

Lateral clavicle

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41
Q

Deltoid middle origin

A

Acromion process

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42
Q

Deltoid posterior origin

A

Spine of scapula

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43
Q

Deltoid’s insertion

A

Deltoid tuberosity (midway down humerus)

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44
Q

Deltoid anterior action

A

Flexion, medial rotation, adduction, horizontal adduction

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45
Q

Deltoid middle action

A

Abduction

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46
Q

Deltoid Posterior action

A

Extension, lateral rotation, abduction, horizontal abduction

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47
Q

Deltoid’s nerve

A

Axillary nerve

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48
Q

Four Rotator cuff muscles

A

Supraspinatus, Infraspinatus, Teres Minor, Subscapularis

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49
Q

Not a rotator cuff muscle

A

Teres Major

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50
Q

Supraspinatus origin

A

Supraspinous fossa (above spine)

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51
Q

Supraspinatus insertion

A

Greater tubercle of humerus

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52
Q

Supraspinatus action

A

Abduction of humerus

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53
Q

Supraspinatus nerve

A

Suprascapular nerve

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54
Q

Infraspinatus origin

A

Infraspinous fossa

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55
Q

Infraspinatus insertion

A

Greater tubercle of humerus

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56
Q

Infraspinatus action

A

Lateral rotation of the humerus (lift forearm up)

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57
Q

Infraspinatus nerve

A

Suprascapular nerve

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58
Q

Teres Minor origin

A

Axillary border of scapula

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59
Q

Teres Minor insertion

A

Greater tubercle of humerus

60
Q

Teres Minor Action

A

Lateral rotation of the humerus

61
Q

Teres Minor Nerve

A

Axillary Nerve (shoulder nerve)

62
Q

Subscapularis origin

A

Subscapular fossa of scapula

63
Q

Subscapularis insertion

A

Lesser tubercle of humerus

64
Q

Subscapularis action

A

Medial rotation of humerus (accelerates the arm)

65
Q

Subscapularis nerve

A

Subscapular nerve

66
Q

Teres Major Origin

A

Inferior angle of scapula

67
Q

Teres Major Insertion

A

Medial lip of bicipital groove

68
Q

Teres Major Action

A

Adduct, extension, medial rotates humerus

69
Q

Teres Major Nerve

A

Subscapular Nerve

70
Q

Bicep Brachii Origin- Short Head

A

Coracoid process of scapula

71
Q

Bicep Brachii Origin- Long head

A

Supraglenoid tubercle

Glenoid labrum

72
Q

Bicep Brachii Insertion

A

Radial Tuberosity

73
Q

Bicep Brachii Action

A

Flexion of elbow and shoulder, supination of forearm

74
Q

Bicep Brachii Nerve

A

Musculocutaneous Nerve

75
Q

Coracobrachialis origin

A

Coracoid process

76
Q

Coracobrachialis insertion

A

Shaft of humerus

77
Q

Coracobrachialis Action

A

Flexion with minimal adduction of the humerus

78
Q

Coracobrachialis Nerve

A

Musculocutaneous Nerve

79
Q

Brachialis origin

A

Lower, anterior shaft of humerus

80
Q

Brachialis insertion

A

Coronoid process of ulna

81
Q

Brachialis Action

A

Flexion of elbow (primary action over bicep)

82
Q

Brachialis Nerve

A

Musculocutaneous nerve

83
Q

Tricep Brachii Origin- Long head

A

Infraglenoid tubercle of scapula

84
Q

Tricep Brachii Origin- Lateral Head

A

Posterior shaft of humerus

85
Q

Tricep Brachii Origin- Medial head

A

Posterior shaft of humerus

86
Q

Tricep Brachii Insertion

A

Olecranon process of the ulna

87
Q

Tricep Brachii Action

A

Extend elbow

88
Q

Tricep Brachii Nerve

A

Radial nerve

89
Q

Pronator Teres Origin

A

Medial epicondyle and coronoid process

90
Q

Pronator Teres insertion

A

Lateral surface of radius

91
Q

Pronator Teres action

A

pronates the forearm

92
Q

Pronator Teres Nerve

A

Median Nerve

93
Q

Palmaris Longus Origin

A

Medial Epicondyle

94
Q

Palmaris Longus Insertion

A

Palmar aponeurosis

95
Q

Palmaris Longus Action

A

Assists wrist flexion

96
Q

Palmaris Longus Nerve

A

Median Nerve

97
Q

Flexor Digitorum Superficialis Origin

A

Medial Epicondyle

98
Q

Flexor Digitorum Superficialis Insertion

A

Base of middle phalanx

Digits of 2-5

99
Q

Flexor Digitorum Superficialis Action

A

Flexion at wrist and PIP joint

Proximal interphalangeal

100
Q

Flexor Digitorum Superficialis Nerve

A

Median Nerve

101
Q

Flexor Carpi Radialis Origin

A

Medial Epicondyle

102
Q

Flexor Carpi Radialis Insertion

A

2nd and 3rd metacarpals

103
Q

Flexor Carpi Radialis Action

A

Flexion and radial deviator

104
Q

Flexor Carpi Radialis Nerve

A

Median Nerve

105
Q

Flexor Carpi Ulnaris Origin

A

Medial Epicondyle

106
Q

Flexor Carpi Ulnaris Insertion

A

Pisiform, hamate and 5th metacarpal

107
Q

Flexor Carpi Ulnaris Action

A

Flexion and ulnar deviation

108
Q

Flexor Carpi Ulnaris Nerve

A

Ulnar Nerve

109
Q

Flexor Digitorum Profundus Origin

A

Proximal three fourths of anterior ulna

110
Q

Flexor Digitorum Profundus Insertion

A

Base of distal phalanges (2-5)

111
Q

Flexor Digitorum Profundus Action

A

Wrist flexion and DIP joint

Distal interphalangeal

112
Q

Flexor Digitorum Profundus Nerve

A

Median Nerve and Ulnar Nerve

113
Q

Pronator Quadratus Origin

A

Distal, anterior ulna

114
Q

Pronator Quadratus Insertion

A

Distal, anterior radius

115
Q

Pronator Quadratus Action

A

Pronation

116
Q

Pronator Quadratus Nerve

A

Median Nerve

117
Q

Supinator origin

A

Lateral epicondyle

118
Q

Supinator insertion

A

Proximal, posterior radius

119
Q

Supinator Action

A

Forearm Supination

120
Q

Supinator Nerve

A

Radial Nerve

121
Q

Brachioradialis origin

A

Lateral epicondyle

122
Q

Brachioradialis insertion

A

Styloid process of radius

123
Q

Brachioradialis Action

A

Flexion of the elbow

Hammer Curl

124
Q

Extensor Digitorum Origin

A

Lateral epicondyle

125
Q

Extensor Digitorum insertion

A

Distal Phalanges (2-5)

126
Q

Extensor Digitorum action

A

Extend wrist and digits 2-5

Spreads fingers apart

127
Q

Extensor Carpi Ulnaris Origin

A

Lateral epicondyle

128
Q

Extensor Carpi Ulnaris Insertion

A

5th Metacarpal

129
Q

Extensor Carpi Ulnaris Action

A

Ulnar deviation and extends wrist

130
Q

Extensor Carpi Radialis Longus origin

A

Lateral supracondylar ridge of humerus

131
Q

Extensor Carpi Radialis Longus Insertion

A

Base of 2nd Metacarpal

132
Q

Extensor Carpi Radialis Longus Action

A

Extend and radial deviation of wrist

133
Q

Extensor Carpi Radialis Brevis Origin

A

Lateral epicondyle

134
Q

Extensor Carpi Radialis Brevis Insertion

A

Dorsal aspect of 3rd metacarpal

135
Q

Extensor Carpi Radialis Brevis Action

A

Extend and radial deviation of wrist

136
Q

Flexor Pollicis Longus Origin

A

Anterior surface of the radius

137
Q

Flexor Pollicis Longus Insertion

A

Base of phalanx of thumb

138
Q

Flexor Pollicis Longus Action

A

Flex thumb

139
Q

Flexor Pollicis Brevis Origin

A

Trapezium bone

140
Q

Flexor Pollicis Brevis Insertion

A

Proximal phalanx of thumb

141
Q

Flexor Pollicis Brevis action

A

Assists with thumb flexion

142
Q

Extensor Pollicis Longus origin

A

Ulna

143
Q

Extensor Pollicis Longus Insertion

A

Distal phalanx of thumb

144
Q

Extensor Pollicis Longus action

A

Extends thumb at IP and MP joint

145
Q

Extensor Pollicis Brevis Origin

A

Radius

146
Q

Extensor Pollicis Brevis Insertion

A

Proximal phalanx of thumb

147
Q

Extensor Pollicis Brevis action

A

Extends MP joint and radial deviation of wrist

Kinesiology 294 (6 decks)

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